Top Notch Replacement Extra Small Hole Detector For SJ-410 And SJ-310 Surface Roughness Tester 4mN Force 90 Degree Fit Skidded Measuring Retractable And Transverse Drive Unit Models

Replacement Extra-Small Hole Detector for SJ-410 SJ-310
✔️ 4mN force, skidded, retractable and transverse drive variants

This extra small hole detector is a replacement accessory for SJ-410 and SJ-310 surface roughness testers, designed to measure extra-small holes with precision. It suits standard, retractable and transverse drive unit configurations to fit multiple instrument setups.

✅ For extra-small hole measurement on roughness tests
✅ Replacement detector for SJ-410 and SJ-310
✅ Compatible with Standard, Retractable and Transverse Drive Unit Models
✅ 90-degree fit for precise alignment

💡 What is an extra-small hole detector used for in SJ-410 and SJ-310 surface roughness testers?

In short, it’s a handy accessory for detecting tiny holes during surface finish checks.

• Compatibility with SJ-410 and SJ-310 roughness testers
• Precise detection of ultra-small hole features
• Supports standard, retractable and transverse drive units

✝️